Big deer mouse
Peromyscus grandis Goodwin, 1932
The big deer mouse (Peromyscus grandis) is a species in the family Cricetidae, order Rodentia. Recorded adults weigh 41 g to 71 g. Its IUCN Red List status is Near Threatened.
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Quick facts about the big deer mouse
- Weight
- 41 g – 71 gsrc for Weight
- Length
- Not recorded
- Lifespan
- Not recorded
- Diet
- Carnivoresrc for Diet
- Main food
- Not recorded
- Habitat
- Not recorded
- Gestation
- 31.1 dayssrc for Gestation
- Young per litter or clutch
- 2.43src for Young per litter or clutch
- Age at maturity
- 49.5 days – 63 dayssrc for Age at maturity
- Litters or clutches a year
- 7.4src for Litters or clutches a year
- Active
- At night (nocturnal)src for Active
- Lifestyle
- Terrestrialsrc for Lifestyle
- Conservation status
- Near Threatened (IUCN)src for Conservation status
- Countries on record
- Not recorded
Where does the big deer mouse live?
Not recorded
What is the big deer mouse?
The big deer mouse, big deermouse, or giant deermouse (Peromyscus grandis) is a species of rodent in the family Cricetidae. It is a species of the genus Peromyscus, a closely related group of New World mice often called "deermice". It is endemic to Guatemala.
From the Wikipedia article “Big deer mouse” (en.wikipedia.org/w/index.php?title=Big_deer_mouse&oldid=1313854095), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the big deer mouse endangered?
The big deer mouse is listed as Near Threatened on the IUCN Red List: it is close to qualifying as threatened.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Near Threatened species. What the categories mean.
How is the big deer mouse classified?
- kingdomAnimalia
- phylumChordata
- classMammalia
- orderRodentia
- familyCricetidae
- genusPeromyscus
- SpeciesPeromyscus grandis Goodwin, 1932
Other names and names in other languages (9)
- Big deermouseEnglish
- Large deer mouseEnglish
- Large deermouseEnglish
- Large deermouseEnglish
- Ratón guatemaltecoSpanish
- guatemalanpeurahiiruFinnish
- オオシロアシマウスJapanese
- myszak dużyPolish
- Большой хомячокRussian
Relatives of the big deer mouse
Other species in the same genus Peromyscus.

White-footed mouse
Peromyscus leucopus

Eastern deer mouse
Peromyscus maniculatus

Cactus mouse
Peromyscus eremicus

Cotton mouse
Peromyscus gossypinus

Oldfield mouse
Peromyscus polionotus

California deermouse
Peromyscus californicus
CompareBig deer mouse vs White-footed mouseBig deer mouse vs Eastern deer mouseBig deer mouse vs Cactus mouseBig deer mouse vs Cotton mouse
Common questions
Answered only where our data holds the answer.
How big is the big deer mouse?
An adult big deer mouse weighs 41 g – 71 g, according to values recorded on Wikidata.
Is the big deer mouse endangered?
The big deer mouse is listed as Near Threatened on the IUCN Red List, meaning it is close to qualifying as threatened.
How long is the big deer mouse pregnant?
The recorded gestation period is 31.1 days.
What kind of animal is the big deer mouse?
The big deer mouse (Peromyscus grandis) belongs to the family Cricetidae in the order Rodentia.
Sources and how to cite this page
Data as of 2026-11-11. How this page is put together.
- An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles · CC0 1.0 · E096-269
Myhrvold, N.P., Baldridge, E., Chan, B., Sivam, D., Freeman, D.L. & Ernest, S.K.M. (2015) An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96: 3109. https://doi.org/10.1890/15-0846R.1. Data: https://doi.org/10.6084/m9.figshare.3563457.v1 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - EltonTraits 1.0: species-level foraging attributes of the world's birds and mammals · CC0 1.0 · 1.0
Wilman, H., Belmaker, J., Simpson, J., de la Rosa, C., Rivadeneira, M.M. & Jetz, W. (2014) EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95: 2027. https://doi.org/10.1890/13-1917.1. Data: https://doi.org/10.6084/m9.figshare.3559887.v1 - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Big deer mouse (Peromyscus grandis). Retrieved from https://creaturedata.com/animals/big-deer-mouse
“Big deer mouse (Peromyscus grandis).” CreatureData, 2026, https://creaturedata.com/animals/big-deer-mouse.
@misc{big_deer_mouse_2026,
title = {Big deer mouse (Peromyscus grandis)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/big-deer-mouse},
note = {Data as of 2026-11-11}
}